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Joints form during embryonic development in conjunction with the formation and growth of the associated bones. The embryonic tissue that gives rise to all bones, cartilage, and connective tissues of the body is called mesenchyme.
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Updated: Dec 25, 2025

Chicken Recombinant Limbs Assay to Understand Morphogenesis, Patterning, and Early Steps in Cell Differentiation
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Multiscale modeling of vertebrate limb development.

Tilmann Glimm1, Ramray Bhat2, Stuart A Newman3

  • 1Department of Mathematics, Western Washington University, Bellingham, Washington.

Wiley Interdisciplinary Reviews. Systems Biology and Medicine
|March 27, 2020
PubMed
Summary
This summary is machine-generated.

Mathematical models of vertebrate limb development, specifically cartilage pattern formation, are reviewed. Reaction-diffusion models offer new insights into evolutionary mechanisms driving the fin-to-limb transition.

Keywords:
BMPTuring-type mechanismWntfin-limb transitiongalectin

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Area of Science:

  • Developmental Biology
  • Computational Biology
  • Evolutionary Biology

Background:

  • Cartilage pattern formation is crucial for vertebrate limb development.
  • Previous models lacked detailed regulatory process knowledge.
  • Recent models focus on specific molecular aspects.

Purpose of the Study:

  • To review current mathematical modeling of cartilage pattern formation in vertebrate limbs.
  • To emphasize recent reaction-diffusion models.
  • To frame hypotheses on evolutionary mechanisms using comparative phylogenomics.

Main Methods:

  • Review of reaction-diffusion type mathematical models.
  • Analysis of regulatory processes in cartilage pattern formation.
  • Integration with comparative phylogenomics data.

Main Results:

  • Recent models provide a more detailed understanding of regulatory processes.
  • Different models highlight diverse molecular aspects of pattern formation.
  • Phylogenomic analysis allows hypothesis generation on evolutionary sequences.

Conclusions:

  • Mathematical models, particularly reaction-diffusion types, are advancing the study of limb development.
  • These models, combined with phylogenomics, offer insights into the evolutionary origins of limb structures.
  • Further research can refine models to better understand the fin-to-limb transition.